./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea7f366bf9317f351e4b5f275a15188ee4a0efbb ................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea7f366bf9317f351e4b5f275a15188ee4a0efbb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 05:23:32,464 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:23:32,466 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:23:32,474 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:23:32,475 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:23:32,475 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:23:32,476 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:23:32,477 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:23:32,479 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:23:32,479 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:23:32,480 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:23:32,480 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:23:32,481 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:23:32,481 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:23:32,482 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:23:32,483 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:23:32,483 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:23:32,485 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:23:32,486 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:23:32,488 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:23:32,488 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:23:32,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:23:32,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:23:32,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:23:32,491 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:23:32,492 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:23:32,493 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:23:32,494 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:23:32,494 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:23:32,495 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:23:32,495 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:23:32,496 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:23:32,496 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:23:32,496 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:23:32,497 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:23:32,497 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:23:32,498 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 05:23:32,505 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:23:32,505 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:23:32,506 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:23:32,506 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 05:23:32,506 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 05:23:32,506 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 05:23:32,506 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 05:23:32,507 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 05:23:32,507 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 05:23:32,507 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 05:23:32,507 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 05:23:32,507 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 05:23:32,507 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 05:23:32,508 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:23:32,508 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:23:32,508 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 05:23:32,508 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:23:32,508 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:23:32,508 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 05:23:32,508 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:23:32,509 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 05:23:32,509 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:23:32,509 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 05:23:32,509 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 05:23:32,509 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:23:32,509 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 05:23:32,509 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:23:32,509 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 05:23:32,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 05:23:32,510 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:23:32,510 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:23:32,510 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 05:23:32,510 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 05:23:32,510 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:23:32,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 05:23:32,510 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 05:23:32,511 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2018-12-02 05:23:32,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:23:32,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:23:32,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:23:32,538 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:23:32,538 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:23:32,538 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-12-02 05:23:32,572 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/data/20841de0c/987a78ecb80d40008ced8d7c52b82cc9/FLAG9954dac59 [2018-12-02 05:23:33,000 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:23:33,000 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-12-02 05:23:33,005 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/data/20841de0c/987a78ecb80d40008ced8d7c52b82cc9/FLAG9954dac59 [2018-12-02 05:23:33,014 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/data/20841de0c/987a78ecb80d40008ced8d7c52b82cc9 [2018-12-02 05:23:33,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:23:33,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:23:33,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:23:33,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:23:33,019 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:23:33,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:23:33" (1/1) ... [2018-12-02 05:23:33,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccca87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33, skipping insertion in model container [2018-12-02 05:23:33,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:23:33" (1/1) ... [2018-12-02 05:23:33,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:23:33,037 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:23:33,145 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:23:33,147 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:23:33,173 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:23:33,217 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:23:33,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33 WrapperNode [2018-12-02 05:23:33,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:23:33,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:23:33,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:23:33,218 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:23:33,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33" (1/1) ... [2018-12-02 05:23:33,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33" (1/1) ... [2018-12-02 05:23:33,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:23:33,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:23:33,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:23:33,234 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:23:33,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33" (1/1) ... [2018-12-02 05:23:33,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33" (1/1) ... [2018-12-02 05:23:33,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33" (1/1) ... [2018-12-02 05:23:33,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33" (1/1) ... [2018-12-02 05:23:33,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33" (1/1) ... [2018-12-02 05:23:33,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33" (1/1) ... [2018-12-02 05:23:33,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33" (1/1) ... [2018-12-02 05:23:33,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:23:33,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:23:33,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:23:33,259 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:23:33,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 05:23:33,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 05:23:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 05:23:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-02 05:23:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-02 05:23:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 05:23:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 05:23:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 05:23:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 05:23:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 05:23:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 05:23:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-02 05:23:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-02 05:23:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 05:23:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 05:23:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:23:33,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:23:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 05:23:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 05:23:33,292 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 05:23:33,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 05:23:33,527 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:23:33,527 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 05:23:33,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:23:33 BoogieIcfgContainer [2018-12-02 05:23:33,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:23:33,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 05:23:33,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 05:23:33,530 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 05:23:33,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:23:33" (1/3) ... [2018-12-02 05:23:33,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7a7ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:23:33, skipping insertion in model container [2018-12-02 05:23:33,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:33" (2/3) ... [2018-12-02 05:23:33,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7a7ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:23:33, skipping insertion in model container [2018-12-02 05:23:33,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:23:33" (3/3) ... [2018-12-02 05:23:33,532 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281_true-unreach-call.c [2018-12-02 05:23:33,537 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 05:23:33,542 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 05:23:33,551 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 05:23:33,569 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 05:23:33,569 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 05:23:33,569 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 05:23:33,569 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 05:23:33,569 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 05:23:33,570 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 05:23:33,570 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 05:23:33,570 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 05:23:33,580 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-12-02 05:23:33,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 05:23:33,584 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:23:33,584 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:23:33,585 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:23:33,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:23:33,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1961299150, now seen corresponding path program 1 times [2018-12-02 05:23:33,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:23:33,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:23:33,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:23:33,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:23:33,618 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:23:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:23:33,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:23:33,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:23:33,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 05:23:33,678 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 05:23:33,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 05:23:33,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 05:23:33,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 05:23:33,690 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-12-02 05:23:33,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:23:33,706 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2018-12-02 05:23:33,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 05:23:33,707 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-02 05:23:33,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:23:33,713 INFO L225 Difference]: With dead ends: 147 [2018-12-02 05:23:33,713 INFO L226 Difference]: Without dead ends: 73 [2018-12-02 05:23:33,715 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 05:23:33,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-02 05:23:33,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-12-02 05:23:33,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-02 05:23:33,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2018-12-02 05:23:33,739 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 22 [2018-12-02 05:23:33,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:23:33,740 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2018-12-02 05:23:33,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 05:23:33,740 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-12-02 05:23:33,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 05:23:33,740 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:23:33,740 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:23:33,741 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:23:33,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:23:33,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1590430122, now seen corresponding path program 1 times [2018-12-02 05:23:33,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 05:23:33,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:23:33,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:23:33,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:23:33,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 05:23:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:23:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:23:33,792 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 05:23:33,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:23:33 BoogieIcfgContainer [2018-12-02 05:23:33,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 05:23:33,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:23:33,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:23:33,814 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:23:33,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:23:33" (3/4) ... [2018-12-02 05:23:33,817 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 05:23:33,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:23:33,817 INFO L168 Benchmark]: Toolchain (without parser) took 801.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 958.8 MB in the beginning and 1.0 GB in the end (delta: -74.1 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-12-02 05:23:33,818 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:23:33,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2018-12-02 05:23:33,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 05:23:33,819 INFO L168 Benchmark]: Boogie Preprocessor took 24.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:23:33,820 INFO L168 Benchmark]: RCFGBuilder took 268.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-12-02 05:23:33,820 INFO L168 Benchmark]: TraceAbstraction took 285.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-02 05:23:33,820 INFO L168 Benchmark]: Witness Printer took 2.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 05:23:33,822 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 201.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 958.8 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 268.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 285.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 192]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450967, \old(one_asin)=6442450953, \old(one_sqrt)=6442450951, \old(pio2_hi_asin)=6442450952, \old(pio2_lo_asin)=6442450962, \old(pio4_hi_asin)=6442450954, \old(pS0_asin)=6442450961, \old(pS1_asin)=6442450955, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450960, \old(pS4_asin)=6442450965, \old(pS5_asin)=6442450956, \old(qS1_asin)=6442450968, \old(qS2_asin)=6442450966, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450963, \old(tiny_sqrt)=6442450964, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] float x = __VERIFIER_nondet_float(); [L186] COND TRUE x < -1.0f || x > 1.0f VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L188] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L188] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450948, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L188] float res = __ieee754_asinf(x); [L191] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450948, \result=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450948] [L191] RET, EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L191] COND TRUE !isnan_float(res) [L192] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 78 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 05:23:35,130 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:23:35,131 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:23:35,139 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:23:35,140 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:23:35,140 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:23:35,141 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:23:35,142 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:23:35,144 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:23:35,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:23:35,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:23:35,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:23:35,145 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:23:35,146 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:23:35,147 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:23:35,147 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:23:35,148 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:23:35,149 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:23:35,150 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:23:35,152 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:23:35,152 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:23:35,153 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:23:35,155 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:23:35,155 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:23:35,155 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:23:35,156 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:23:35,157 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:23:35,157 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:23:35,158 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:23:35,159 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:23:35,159 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:23:35,159 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:23:35,159 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:23:35,160 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:23:35,160 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:23:35,161 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:23:35,161 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 05:23:35,169 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:23:35,169 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:23:35,169 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:23:35,169 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 05:23:35,170 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 05:23:35,170 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 05:23:35,170 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 05:23:35,170 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 05:23:35,170 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 05:23:35,170 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 05:23:35,170 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:23:35,171 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:23:35,171 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:23:35,171 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:23:35,171 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 05:23:35,171 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:23:35,171 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 05:23:35,171 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 05:23:35,171 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 05:23:35,171 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:23:35,171 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 05:23:35,172 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 05:23:35,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 05:23:35,172 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:23:35,172 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 05:23:35,172 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:23:35,172 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 05:23:35,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 05:23:35,172 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:23:35,172 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:23:35,172 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 05:23:35,172 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 05:23:35,173 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:23:35,173 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 05:23:35,173 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 05:23:35,173 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea7f366bf9317f351e4b5f275a15188ee4a0efbb [2018-12-02 05:23:35,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:23:35,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:23:35,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:23:35,204 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:23:35,205 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:23:35,205 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-12-02 05:23:35,249 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/data/5b8a0b8a4/b847dffa2c7b4fa391d8192d5a85485e/FLAG242e4411b [2018-12-02 05:23:35,571 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:23:35,572 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/sv-benchmarks/c/float-newlib/float_req_bl_0281_true-unreach-call.c [2018-12-02 05:23:35,578 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/data/5b8a0b8a4/b847dffa2c7b4fa391d8192d5a85485e/FLAG242e4411b [2018-12-02 05:23:35,589 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/data/5b8a0b8a4/b847dffa2c7b4fa391d8192d5a85485e [2018-12-02 05:23:35,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:23:35,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:23:35,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:23:35,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:23:35,596 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:23:35,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:23:35" (1/1) ... [2018-12-02 05:23:35,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e3ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35, skipping insertion in model container [2018-12-02 05:23:35,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:23:35" (1/1) ... [2018-12-02 05:23:35,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:23:35,623 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:23:35,742 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:23:35,746 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:23:35,776 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:23:35,793 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:23:35,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35 WrapperNode [2018-12-02 05:23:35,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:23:35,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:23:35,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:23:35,794 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:23:35,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35" (1/1) ... [2018-12-02 05:23:35,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35" (1/1) ... [2018-12-02 05:23:35,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:23:35,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:23:35,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:23:35,811 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:23:35,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35" (1/1) ... [2018-12-02 05:23:35,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35" (1/1) ... [2018-12-02 05:23:35,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35" (1/1) ... [2018-12-02 05:23:35,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35" (1/1) ... [2018-12-02 05:23:35,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35" (1/1) ... [2018-12-02 05:23:35,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35" (1/1) ... [2018-12-02 05:23:35,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35" (1/1) ... [2018-12-02 05:23:35,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:23:35,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:23:35,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:23:35,869 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:23:35,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 05:23:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 05:23:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 05:23:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-02 05:23:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-02 05:23:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 05:23:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 05:23:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 05:23:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 05:23:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 05:23:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-02 05:23:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-02 05:23:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 05:23:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 05:23:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:23:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:23:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 05:23:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 05:23:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 05:23:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 05:23:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 05:23:36,026 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 05:23:36,048 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 05:23:45,098 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 05:23:45,118 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 05:23:45,498 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:23:45,498 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 05:23:45,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:23:45 BoogieIcfgContainer [2018-12-02 05:23:45,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:23:45,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 05:23:45,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 05:23:45,501 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 05:23:45,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:23:35" (1/3) ... [2018-12-02 05:23:45,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc6b402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:23:45, skipping insertion in model container [2018-12-02 05:23:45,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:23:35" (2/3) ... [2018-12-02 05:23:45,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc6b402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:23:45, skipping insertion in model container [2018-12-02 05:23:45,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:23:45" (3/3) ... [2018-12-02 05:23:45,503 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281_true-unreach-call.c [2018-12-02 05:23:45,509 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 05:23:45,513 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 05:23:45,522 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 05:23:45,539 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 05:23:45,540 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 05:23:45,540 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 05:23:45,540 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 05:23:45,540 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 05:23:45,540 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 05:23:45,540 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 05:23:45,540 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 05:23:45,540 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 05:23:45,551 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-12-02 05:23:45,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 05:23:45,555 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:23:45,555 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:23:45,557 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:23:45,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:23:45,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1112669961, now seen corresponding path program 1 times [2018-12-02 05:23:45,563 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 05:23:45,563 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 05:23:45,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:23:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:23:45,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:23:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:23:45,761 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 05:23:45,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:23:45,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 05:23:45,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 05:23:45,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 05:23:45,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 05:23:45,784 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2018-12-02 05:23:45,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:23:45,801 INFO L93 Difference]: Finished difference Result 145 states and 216 transitions. [2018-12-02 05:23:45,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 05:23:45,802 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-02 05:23:45,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:23:45,808 INFO L225 Difference]: With dead ends: 145 [2018-12-02 05:23:45,808 INFO L226 Difference]: Without dead ends: 72 [2018-12-02 05:23:45,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 05:23:45,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-02 05:23:45,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-02 05:23:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-02 05:23:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2018-12-02 05:23:45,835 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 21 [2018-12-02 05:23:45,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:23:45,836 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2018-12-02 05:23:45,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 05:23:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-12-02 05:23:45,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 05:23:45,836 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:23:45,837 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:23:45,837 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:23:45,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:23:45,837 INFO L82 PathProgramCache]: Analyzing trace with hash -325270924, now seen corresponding path program 1 times [2018-12-02 05:23:45,837 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 05:23:45,838 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-02 05:23:45,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:23:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:23:46,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:23:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:23:46,103 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 05:23:46,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:23:46,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 05:23:46,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 05:23:46,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 05:23:46,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:23:46,114 INFO L87 Difference]: Start difference. First operand 72 states and 89 transitions. Second operand 7 states. [2018-12-02 05:23:52,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:23:52,946 INFO L93 Difference]: Finished difference Result 85 states and 102 transitions. [2018-12-02 05:23:52,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 05:23:52,947 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-02 05:23:52,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:23:52,950 INFO L225 Difference]: With dead ends: 85 [2018-12-02 05:23:52,950 INFO L226 Difference]: Without dead ends: 75 [2018-12-02 05:23:52,951 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 05:23:52,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-12-02 05:23:52,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 72. [2018-12-02 05:23:52,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-02 05:23:52,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 88 transitions. [2018-12-02 05:23:52,959 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 88 transitions. Word has length 22 [2018-12-02 05:23:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:23:52,960 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 88 transitions. [2018-12-02 05:23:52,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 05:23:52,960 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2018-12-02 05:23:52,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 05:23:52,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:23:52,961 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:23:52,961 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:23:52,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:23:52,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1816930425, now seen corresponding path program 1 times [2018-12-02 05:23:52,962 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 05:23:52,962 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-02 05:23:52,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:23:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:23:53,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:23:54,167 WARN L180 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-12-02 05:23:55,668 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-12-02 05:23:57,729 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-12-02 05:24:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:24:00,380 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 05:24:00,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:24:00,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 05:24:00,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 05:24:00,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 05:24:00,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:24:00,391 INFO L87 Difference]: Start difference. First operand 72 states and 88 transitions. Second operand 7 states. [2018-12-02 05:24:06,961 WARN L180 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 05:24:07,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:24:07,973 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions. [2018-12-02 05:24:07,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 05:24:07,974 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-02 05:24:07,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:24:07,975 INFO L225 Difference]: With dead ends: 79 [2018-12-02 05:24:07,975 INFO L226 Difference]: Without dead ends: 72 [2018-12-02 05:24:07,975 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 05:24:07,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-02 05:24:07,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-02 05:24:07,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-02 05:24:07,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 87 transitions. [2018-12-02 05:24:07,982 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 87 transitions. Word has length 23 [2018-12-02 05:24:07,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:24:07,982 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 87 transitions. [2018-12-02 05:24:07,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 05:24:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2018-12-02 05:24:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 05:24:07,983 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:24:07,983 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:24:07,983 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:24:07,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:24:07,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1516262063, now seen corresponding path program 1 times [2018-12-02 05:24:07,984 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 05:24:07,984 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-02 05:24:07,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:24:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:24:08,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:24:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:24:09,075 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 05:24:09,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:24:09,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 05:24:09,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 05:24:09,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 05:24:09,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-02 05:24:09,092 INFO L87 Difference]: Start difference. First operand 72 states and 87 transitions. Second operand 9 states. [2018-12-02 05:24:18,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:24:18,768 INFO L93 Difference]: Finished difference Result 90 states and 110 transitions. [2018-12-02 05:24:18,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 05:24:18,769 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2018-12-02 05:24:18,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:24:18,769 INFO L225 Difference]: With dead ends: 90 [2018-12-02 05:24:18,769 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 05:24:18,770 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 05:24:18,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 05:24:18,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 05:24:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 05:24:18,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 05:24:18,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-02 05:24:18,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:24:18,771 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 05:24:18,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 05:24:18,771 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 05:24:18,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 05:24:18,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 05:24:20,402 WARN L180 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 15 [2018-12-02 05:24:20,404 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-12-02 05:24:20,404 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-12-02 05:24:20,404 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-12-02 05:24:20,404 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 05:24:20,404 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 05:24:20,404 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 05:24:20,405 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 83 96) no Hoare annotation was computed. [2018-12-02 05:24:20,405 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-12-02 05:24:20,405 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 83 96) no Hoare annotation was computed. [2018-12-02 05:24:20,405 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 83 96) no Hoare annotation was computed. [2018-12-02 05:24:20,405 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 94) no Hoare annotation was computed. [2018-12-02 05:24:20,405 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 83 96) the Hoare annotation is: true [2018-12-02 05:24:20,405 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-02 05:24:20,405 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-12-02 05:24:20,406 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 05:24:20,406 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 05:24:20,406 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 05:24:20,406 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 05:24:20,406 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-02 05:24:20,406 INFO L444 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (and (exists ((__ieee754_asinf_~x (_ FloatingPoint 8 24))) (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven __ieee754_asinf_~x __ieee754_asinf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse1)) (fp.gt main_~x~0 .cse1)))) [2018-12-02 05:24:20,406 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 191 194) no Hoare annotation was computed. [2018-12-02 05:24:20,406 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 176 198) the Hoare annotation is: true [2018-12-02 05:24:20,407 INFO L444 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse0)) (fp.gt main_~x~0 .cse0))) [2018-12-02 05:24:20,407 INFO L448 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2018-12-02 05:24:20,407 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 195) no Hoare annotation was computed. [2018-12-02 05:24:20,407 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 176 198) no Hoare annotation was computed. [2018-12-02 05:24:20,407 INFO L448 ceAbstractionStarter]: For program point L186-2(lines 186 195) no Hoare annotation was computed. [2018-12-02 05:24:20,407 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 192) no Hoare annotation was computed. [2018-12-02 05:24:20,407 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 176 198) no Hoare annotation was computed. [2018-12-02 05:24:20,407 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2018-12-02 05:24:20,408 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 151 169) no Hoare annotation was computed. [2018-12-02 05:24:20,408 INFO L448 ceAbstractionStarter]: For program point L159-2(lines 159 163) no Hoare annotation was computed. [2018-12-02 05:24:20,408 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-12-02 05:24:20,408 INFO L444 ceAbstractionStarter]: At program point L122-1(lines 122 137) the Hoare annotation is: (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 32))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-12-02 05:24:20,408 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 32))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-12-02 05:24:20,408 INFO L448 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-12-02 05:24:20,409 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 05:24:20,409 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-12-02 05:24:20,409 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2018-12-02 05:24:20,409 INFO L448 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2018-12-02 05:24:20,409 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-12-02 05:24:20,409 INFO L444 ceAbstractionStarter]: At program point L111-2(lines 111 115) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-12-02 05:24:20,409 INFO L448 ceAbstractionStarter]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2018-12-02 05:24:20,409 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-12-02 05:24:20,409 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-12-02 05:24:20,410 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 108 174) the Hoare annotation is: true [2018-12-02 05:24:20,410 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 108 174) no Hoare annotation was computed. [2018-12-02 05:24:20,410 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 108 174) no Hoare annotation was computed. [2018-12-02 05:24:20,410 INFO L448 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2018-12-02 05:24:20,410 INFO L444 ceAbstractionStarter]: At program point L154-2(lines 154 158) the Hoare annotation is: (and (not (bvsgt __ieee754_asinf_~ix~2 (_ bv1065353216 32))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-12-02 05:24:20,410 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2018-12-02 05:24:20,410 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-12-02 05:24:20,410 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-12-02 05:24:20,411 INFO L451 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: true [2018-12-02 05:24:20,411 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2018-12-02 05:24:20,411 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-12-02 05:24:20,411 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-12-02 05:24:20,411 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-12-02 05:24:20,411 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-12-02 05:24:20,411 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-12-02 05:24:20,411 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-02 05:24:20,411 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-12-02 05:24:20,412 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-12-02 05:24:20,412 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-12-02 05:24:20,412 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-02 05:24:20,412 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-12-02 05:24:20,412 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-12-02 05:24:20,412 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-12-02 05:24:20,412 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: true [2018-12-02 05:24:20,412 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2018-12-02 05:24:20,412 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-12-02 05:24:20,413 INFO L451 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: true [2018-12-02 05:24:20,413 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2018-12-02 05:24:20,413 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2018-12-02 05:24:20,413 INFO L451 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: true [2018-12-02 05:24:20,413 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-12-02 05:24:20,413 INFO L448 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2018-12-02 05:24:20,419 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,419 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,419 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,420 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,423 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,423 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,423 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,423 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:24:20 BoogieIcfgContainer [2018-12-02 05:24:20,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 05:24:20,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:24:20,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:24:20,425 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:24:20,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:23:45" (3/4) ... [2018-12-02 05:24:20,428 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 05:24:20,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-02 05:24:20,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 05:24:20,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-02 05:24:20,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 05:24:20,432 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-02 05:24:20,433 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-02 05:24:20,436 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-12-02 05:24:20,436 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 05:24:20,437 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 05:24:20,437 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 05:24:20,453 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 05:24:20,453 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!~bvsgt32(ix, 1065353216bv32) && \old(x) == x) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix) [2018-12-02 05:24:20,471 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_23b4b984-c50d-4b1a-a24e-858f7da9c3d7/bin-2019/utaipan/witness.graphml [2018-12-02 05:24:20,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:24:20,472 INFO L168 Benchmark]: Toolchain (without parser) took 44880.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 943.4 MB in the beginning and 891.2 MB in the end (delta: 52.2 MB). Peak memory consumption was 183.8 MB. Max. memory is 11.5 GB. [2018-12-02 05:24:20,473 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:24:20,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.83 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 05:24:20,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.25 ms. Allocated memory is still 1.0 GB. Free memory was 927.3 MB in the beginning and 921.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 05:24:20,473 INFO L168 Benchmark]: Boogie Preprocessor took 58.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -197.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-02 05:24:20,474 INFO L168 Benchmark]: RCFGBuilder took 9629.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2018-12-02 05:24:20,474 INFO L168 Benchmark]: TraceAbstraction took 34925.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 897.9 MB in the end (delta: 168.4 MB). Peak memory consumption was 168.4 MB. Max. memory is 11.5 GB. [2018-12-02 05:24:20,474 INFO L168 Benchmark]: Witness Printer took 46.39 ms. Allocated memory is still 1.2 GB. Free memory is still 891.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:24:20,475 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 199.83 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.25 ms. Allocated memory is still 1.0 GB. Free memory was 927.3 MB in the beginning and 921.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -197.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9629.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 34925.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 897.9 MB in the end (delta: 168.4 MB). Peak memory consumption was 168.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.39 ms. Allocated memory is still 1.2 GB. Free memory is still 891.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 192]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant [2018-12-02 05:24:20,478 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,478 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,478 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,478 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 05:24:20,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((!~bvsgt32(ix, 1065353216bv32) && \old(x) == x) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. SAFE Result, 34.8s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 24.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 332 SDtfs, 147 SDslu, 1119 SDs, 0 SdLazy, 152 SolverSat, 23 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 20.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 36 PreInvPairs, 54 NumberOfFragments, 153 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 99 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 87 ConstructedInterpolants, 13 QuantifiedInterpolants, 8747 SizeOfPredicates, 11 NumberOfNonLiveVariables, 427 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...